Home / 302,902.12-454,119.90-145,049.32

Finding the Fourth Proportional to 302,902.12, 454,119.90 and 145,049.32

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Solution

The fourth proportional to 302,902.12, 454,119.90 and 145,049.32 is: 217,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,902.12 : 454,119.90 = 145,049.32 : x
  2. Step 2: Convert to fraction form
    302,902.12/454,119.90 = 145,049.32/x
  3. Step 3: Cross multiply
    302,902.12x = 454,119.90 × 145,049.32
  4. Step 4: Simplify right side
    302,902.12x = 65,869,782,693.47
  5. Step 5: Solve for x
    x = 65,869,782,693.47/302,902.12
  6. Step 6: Final answer
    x = 217,462.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.